Maybe I’m just not the target audience, but looking at the front page, I don’t see what actual problems this solves. The claims sound nice, but without examples of what they mean in real world use, it’s not really compelling.
https://learn.microsoft.com/en-us/powershell/scripting/insta...
It was actually first created before Powershell was available outside of Windows. But some of the design philosophies are fundamentally different to Powershell too. For example Murex is designed to work well with POSIX (bar the shell syntax itself), whereas Powershell reimplements most of the stack, including coreutils.
The nushell homepage, by comparison, immediately conveys the benefits of that project.